[volt-nuts] HP 3457A

[John Phillips]

This all comes down to accreditation/Licensing. There are a lot of
situations that a co. rep is enough. Accreditation/Licensing costs money.
If you require them you will have to pay. Traceability can be had without
accreditation. Calibration has been around much longer that accreditation.
It all come down to where the interment is to be used and what controls the
calibration requirement. A lot of work can be done without calibration. If
the work is not critical calibration is not required even if it is
desirable.



On Mon, Aug 12, 2013 at 6:47 PM, Dr. David Kirkby <drkirkby at gmail.com>wrote:

> On 12 August 2013 17:43, Mike S <mikes at flatsurface.com> wrote:
> > On 8/12/2013 12:21 PM, Charles Steinmetz wrote:
> >>
> >> No, you could not perform ANY traceable calibration with the 3458A
> >> itself, much less with any instrument you had calibrated with the 3458A,
> >> because *you* are not accredited
> >
> >
> > That's simply not true. Some organizations may require a lab to be
> > accredited in order to accept their services, but it is not a
> requirement in
> > order to legitimately claim traceability.
>
> This is the conclusion I had reached. So it would appear to me quite
> easy to legitimately claim traceability to NIST.
>
> Others seem to disagree with this, and talk about accreditation and
> being able to meet original manufacturers specifications. I don't
> actually see this being a requirement myself, but I'm no expert.
>
> Of course, I would never attempt to calibrate a 8.5 digit laboratory
> multi-meter using a 4.5 digit handheld one, but there does not appear
> to be anything to stop me doing that, and furthermore claiming
> tractability to NIST.
>
> It is a bit like the "engineer" in England - anyone can call
> themselves an engineer, irrespective of how incompetent they are. I
> believe that is not so in some other countries.
>
> Dave
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-- 
John Phillips